Question

If a\sin x+b\cos x=0 (a, b \ne 0 ) ,A\sin 2x+B\cos 2x=C,

prove that 2abA+(b^2-a^2)B+(a^2+b^2)C=0

Collected in the board: Trigonometry

Steven Zheng posted 1 month ago


Answer

Steven Zheng Steven Zheng posted the answer 1 month ago

This answer is set private or in draft.

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